You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((practice guidebook) OR (practical guidebook)) to ((((biostatistics OR statistics) OR biostatistical) OR ((biostatistics OR statistics) OR biostatistical)) OR ((biostatistics OR statistics) OR biostatistical)) AND epidemiology. ) OR ( practical guide to statistical AND epidemiology. ))~".
• Adding a wildcard symbol may retrieve word variants: (( ((practice guidebook) OR (practical guidebook)) to ((((biostatistics OR statistics) OR biostatistical) OR ((biostatistics OR statistics) OR biostatistical)) OR ((biostatistics OR statistics) OR biostatistical)) AND epidemiology. ) OR ( practical guide to statistical AND epidemiology. ))*.